Explain Engine Firing Order

Explain Engine Firing Order

Explain Engine Firing Order
Explain Engine Firing Order

The firing order of an internal combustion engine is the sequence of ignition for the cylinders.

In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated. In a Diesel engine, the firing order corresponds to the order in which fuel is injected into each cylinder. Four-stroke engines must also time the valve openings relative to the firing order, as the valves do not open and close on every stroke.

Firing order affects the vibrations, sound and evenness of power output from the engine. The firing order heavily influences crankshaft design.

This video gives a comprehensive explanation on Engine Firing Order with the help of four cylinder engines as an example. The topic is a part of the Automobile Engineering course that deals with the study of all parts and mechanisms involved for the desired functioning of an automobile. The course also deals with the Electrical Systems involved in the working of an Automobile such as Lightings, Starting Motor etc.


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